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5.5 Small Angle Approximations

5.5 Small Angle Approximations

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Question 5
a.

When x x\,x is small, show that tan⁡(3x)cos⁡(2x)\tan(3x) \cos(2x)tan(3x)cos(2x) can be approximated by 3x−6x33x - 6x^33x−6x3

[3]
b.

Hence, approximate the value of tan⁡(0.3)cos⁡(0.2)\tan(0.3) \cos(0.2)tan(0.3)cos(0.2)

[2]
c.

Calculate the percentage error in your approximation

[2]
Markscheme

5.5 Small Angle Approximations Questions

  1. A Level
  2. /Maths
  3. /5.5 Small Angle Approximations

25 exam-style questions on Edexcel A Level Maths 5.5 Small Angle Approximations. Each one has a worked solution and a mark scheme showing where the marks go.

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